JP6272711B2 - Electric wire terminal processing equipment - Google Patents

Description

  The present invention relates to an electric wire terminal processing apparatus.

  2. Description of the Related Art In order to connect a predetermined terminal to an electric wire terminal, an electric wire terminal processing apparatus is known in which an end portion of a covered electric wire that has been measured and cut is stripped to expose a core wire. In recent years, it has been required to manufacture a terminal-processed electric wire having a specification in which a rubber plug is further attached to this type of electric wire terminal processing apparatus (see, for example, Patent Document 1). The electric wire terminal processing device disclosed in Patent Document 1 includes a peeling unit, and a rubber plug supply unit including a rubber plug feeding unit, a pickup mechanism, a rubber plug holder, a lifting unit, and the like.

As shown in FIGS. 12 and 13, the rubber plug feeding unit 501 of the rubber plug supply unit in Patent Document 1 sends out a rubber plug 503 supplied from a parts feeder (not shown). The pickup mechanism 505 picks up the rubber plugs 503 one by one from the rubber plug delivery unit 501. The rubber stopper holder 507 receives the rubber stopper 503 from the pickup mechanism 505.
As shown in FIG. 12, the rubber plug delivery unit 501 includes a rubber plug discharge pipe 509 that discharges the rubber plugs 503 one by one, and a rubber plug supply drum 511 that receives the rubber plug 503 from the rubber plug discharge pipe 509. . A housing recess 513 for housing the rubber plug 503 is formed on the peripheral surface of the rubber plug supply drum 511. The housing recess 513 is configured to be rotatable between a receiving posture for receiving the rubber plug 503 and a delivery posture that rotates 90 ° from the receiving posture and faces right above.

  As shown in FIG. 12, the pickup mechanism 505 includes a pin 515 fitted into the inner peripheral portion of the rubber plug 503, a pickup cylinder 517 that moves the pin 515 forward and backward, a cylinder holder 519 that holds the pickup cylinder 517, and a cylinder holder. There is a rotation mechanism (not shown) that reciprocally rotates the pickup cylinder 517 through a range of 90 ° via the 519. Whether the rubber stopper 503 is picked up by the pin 515 of the pickup mechanism 505 is detected by the photo interrupter sensor 521.

  In the rubber plug supply unit of the electric wire terminal processing apparatus having the above configuration, the supplied rubber plug 503 is supplied to the rubber plug supply drum 511. Thereafter, the rubber plug supply drum 511 that is in the receiving position in the initial state is rotated and displaced to the rubber plug delivery position. As a result, the pickup cylinder 517 lowers the pin 515 and fits into the rubber stopper 503 in the delivery posture. Next, the rubber plug 503 is picked up by the pickup cylinder 517 raising the pin 515.

When the pickup operation is completed, the pin 515 is displaced from the pickup posture to the delivery posture, and the picked-up rubber plug 503 is displaced to the state of delivering to the rubber plug holder 507.
As shown in FIG. 13, the rubber plug holder 507 has a pair of clamps 523 that are opened and closed by an air chuck. The clamp pair 523 has a half-shaped holding recess 525 that holds the rubber plug 503. The pickup mechanism 505 delivers the picked-up rubber plug 503 to the rubber plug holder 507. When this delivery operation is completed and the pin 515 of the pickup mechanism 505 is retracted, the cylinder of the elevating unit lowers the rubber plug holder 507 at the receiving height to the rubber plug insertion height.

  In a state where the rubber plug holder 507 is lowered to the rubber plug insertion height, the unit mounting table is advanced. Due to the forward movement of the unit mounting table, the peeling unit (not shown) and the rubber plug delivery unit 501 are simultaneously brought close to the terminal side of the covered electric wire 527. Therefore, the peeled blades that are open to each other are displaced to a position where the covered electric wire 527 is sandwiched therebetween. The rubber plug holder 507 that has completed the rubber plug insertion operation opens the clamp pair 523 to release the rubber plug 503. After that, it is immediately returned to the receiving height by the lifting unit.

  After the skinning blade of the skinning unit is displaced to the skinning position, the air chuck of the skinning unit is actuated to close the skinning blade and cut the covered portion of the covered electric wire 527. When this cutting operation is completed, the unit mounting table is moved backward with the skinning blade closed, and returned to the initial position. By this returning operation, the chips cut by the peeling blade are pulled out from the covered electric wire 527. Thereafter, when the peeling blade is opened, each part completes one cycle and returns to the initial state.

JP 2001-359216 A

  However, the conventional wire terminal processing apparatus having the above configuration includes a rubber plug feeding unit 501 and a pickup mechanism 505 in a rubber plug supply unit for inserting the rubber plug 503 supplied from the parts feeder into the end of the covered electric wire 527. Many complicated mechanisms such as the rubber plug holder 507 and the lifting unit are used. This increases the size of the apparatus and increases the manufacturing cost.

  The present invention has been made in view of the above situation, and an object of the present invention is to provide an electric wire terminal processing apparatus that can be downsized with a simple structure and can be manufactured at low cost.

The above object of the present invention is achieved by the following configuration.
(1) An electric wire fixing mechanism that clamps the vicinity of the end of the covered electric wire and fixes it at the terminal processing position, and a rubber plug accommodating portion that holds the outer periphery of the accommodated rubber plug penetrates coaxially with the electric wire insertion hole of the rubber plug A formed rubber plug holder, a rubber plug insertion position where an electric wire insertion hole of the rubber plug accommodated in the rubber plug accommodating portion is located on an axis of the covered electric wire fixed to the electric wire fixing mechanism, and the rubber A rubber plug supply position for inserting the rubber plug into the plug housing portion has a holder base that supports the rubber plug holder so that the rubber plug holder can reciprocate, and holds the rubber plug mounted on the covered electric wire. A rubber plug holder unit, a pair of peeled blades for cutting off the covered portion of the covered electric wire that is fixedly protruded from the electric wire fixing mechanism, and an open / close drive that opens and closes the peeled blade in a direction perpendicular to the covered electric wire Skin with mechanism A table driving mechanism that reciprocates along an extension line in the axis of the covered electric wire fixed to the electric wire fixing mechanism, a peeling unit, a unit mounting table on which the rubber plug holder unit and the peeling unit are mounted, An electric wire terminal processing comprising: a control mechanism that controls each unit so as to perform a rubber plug insertion operation of the rubber plug holder unit and a peeling operation of the peeling unit by a reciprocating operation of a table driving mechanism. apparatus.

  According to the electric wire terminal processing apparatus having the above configuration (1), the rubber plug holder unit is configured such that the rubber plug holder having the rubber plug housing portion can reciprocate between the rubber plug insertion position and the rubber plug supply position by the holder base. With the supported simple structure, the rubber plugs supplied to the rubber plug housing portion can be aligned one by one with respect to the ends of the fixed covered electric wires. Then, the rubber plug holder unit moves in a direction approaching the covered electric wire, so that the rubber plug accommodated in the rubber plug accommodating portion is attached to the end portion of the covered electric wire. In addition, in a state in which the covering portion is cut with a peeling blade, the peeling unit moves in a direction away from the covered electric wire, whereby chips cut by the peeling blade are pulled out from the end portion of the covered electric wire. That is, the unit mounting table on which the rubber plug holder unit and the peeling unit are mounted is reciprocated along the extension line in the axis of the covered electric wire by the table driving mechanism, so that the structure is simple and space-saving. It is possible to complete both the attachment of the rubber plug to the electric wire and the peeling of the electric wire.

(2) In the electric wire terminal processing apparatus according to (1), a rubber plug supply unit for inserting the rubber plug into the rubber plug housing portion with pressurized air is connected to the rubber plug holder unit. An exhaust hole leading to the outside of the holder base is formed in a rubber plug supply hole of the holder base that connects the rubber plug housing portion and a rubber plug supply tube of the rubber plug supply unit in communication. Electric wire terminal processing equipment.

  According to the wire terminal processing apparatus of (2) above, the rubber plug is conveyed to the rubber plug holder unit by the pressurized air through the rubber plug supply tube of the rubber plug supply unit. The rubber plug conveyed from the rubber plug supply tube enters the rubber plug housing portion of the rubber plug holder through the rubber plug supply hole of the holder base in the rubber plug holder unit. The hole for supplying the rubber plug of the holder base has an exhaust hole that leads to the outside of the holder base, so that the pressurized air for transporting the rubber plug is smoothly discharged from the exhaust hole, and the rubber plug is good. It is reliably inserted into the rubber stopper housing portion by the conveying flow.

(3) In the electric wire terminal processing apparatus according to (1) or (2), the rubber plug holder unit includes a plurality of types of the rubbers provided with the rubber plug housing portions according to the rubber plugs having different sizes. An electric wire terminal processing apparatus which is detachable from the unit mounting table so that the stopper holder can be selectively used.

  According to the wire terminal processing apparatus of the above (3), the rubber plug holder having the rubber plug housing portion corresponding to the desired size of the rubber plug is replaced with the holder base of the rubber plug holder unit, so that various It becomes possible to correspond to the rubber plug of the size. Thereby, it is possible to easily cope with various types of rubber plugs without increasing the apparatus cost.

  The electric wire terminal processing apparatus according to the present invention can be downsized with a simple structure, and the manufacturing cost can be reduced.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

It is the skeleton figure which decomposed | disassembled a part of electric wire terminal processing apparatus which concerns on one Embodiment of this invention, and represented with the rubber plug supply unit. It is a longitudinal cross-sectional view of the electric wire terminal processing apparatus shown in FIG. It is a principal part expanded longitudinal cross-sectional view of the electric wire terminal processing apparatus shown in FIG. It is a disassembled perspective view of the electric wire chuck in the electric wire fixing mechanism shown in FIG. It is a disassembled perspective view of the auxiliary chuck in the electric wire fixing mechanism shown in FIG. It is the perspective view which looked at the rubber stopper holder unit shown in FIG. 1 from the inner surface side. FIG. 7 is an exploded perspective view of the rubber plug holder unit shown in FIG. 6. It is a principal part disassembled perspective view of the peeling unit shown in FIG. It is an example of the flowchart showing operation | movement of the electric wire terminal processing apparatus which concerns on one Embodiment of this invention. It is a flowchart following FIG. (A) is a procedure explanatory diagram of the covered electric wire fixing step, (b) is a procedure explanatory diagram of the rubber plug positioning step, (c) is a procedure explanatory diagram of the rubber plug insertion step, and (d) is a procedure explanatory diagram of the peeling step. is there. It is a front schematic diagram which shows the principal part of the pick-up mechanism in the conventional electric wire terminal processing apparatus. It is the cross-sectional schematic which shows typically the clamp structure of the rubber plug holder in the conventional electric wire terminal processing apparatus, (a) shows the state at the time of receipt of a rubber plug, (b) shows the time at the time of insertion of a rubber plug, respectively. .

Embodiments according to the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 to 3, an electric wire terminal processing device 11 according to an embodiment of the present invention includes an electric wire fixing mechanism 15 that clamps the vicinity of an end portion of a covered electric wire 19 and fixes the electric wire terminal processing position, A rubber plug holder unit 17 that holds the rubber plug 59 mounted on the unit 19, a skin peeling unit 25 that cuts off the covering portion of the covered electric wire 19, and a unit mounting table on which the rubber plug holder unit 17 and the skin peeling unit 25 are mounted. A table driving mechanism 27 that reciprocates and a control mechanism 201 that controls each unit in an interlocked manner are roughly classified.

  The electric wire terminal processing apparatus 11 includes a base plate 29 that is formed of a metal plate having a predetermined thickness and has a predetermined strength. A fixing column 31 of the electric wire fixing mechanism 15 is fixed to the base plate 29. A rail groove 33 extending in a direction orthogonal to the covered electric wire 19 is formed on the upper surface of the fixed column 31. As shown in FIG. 4, a left electric wire chuck 35, which is a pair of left and right electric wire chucks, and a right electric wire chuck 37 are provided in the rail groove 33 along the rail groove 33. That is, the chuck claw 35a of the left electric wire chuck 35 and the chuck claw 37a of the right electric wire chuck 37 are opened and closed by a chuck actuator (not shown).

A pair of guide shafts 39 are fixed to each of the left electric wire chuck 35 and the right electric wire chuck 37 on the left and right sides. As shown in FIG. 5, the left auxiliary chuck 41 and the right auxiliary chuck 43, which are a pair of auxiliary chucks, can approach and separate from the guide shaft 39 with respect to the left electric wire chuck 35 and the right electric wire chuck 37, respectively. It is attached.
An auxiliary chuck cylinder 47 is fixed to the fixed column 31 via a fixed column bracket 45 (see FIGS. 2 and 3). In the auxiliary chuck cylinder 47, the auxiliary cylinder drive shaft 49 advances and retreats in the direction along the axis 51 of the covered electric wire 19 by the pressurized air. An auxiliary chuck guide plate 53 is fixed to the tip of the auxiliary cylinder drive shaft 49. The auxiliary chuck guide plate 53 is formed with a guide groove 54 at the upper edge, and the guide protrusions 42 and 44 projecting from the lower edges of the left auxiliary chuck 41 and the right auxiliary chuck 43 are engaged. That is, the guide groove 54 of the auxiliary chuck guide plate 53 guides the chuck claw 41a of the left auxiliary chuck 41 and the chuck claw 43a of the right auxiliary chuck 43 in a direction approaching and separating from each other.

The chuck claw 35a of the left electric wire chuck 35 and the chuck claw 37a of the right electric wire chuck 37 sandwich the covered electric wire 19 from the direction orthogonal to the axis, regulate the movement of the covered electric wire 19 in the direction along the axis 51, and Fix in a pinched state. On the other hand, the chuck claw 41a of the left auxiliary chuck 41 and the chuck claw 43a of the right auxiliary chuck 43 are arranged in a direction along the covered electric wire 19 with the left electric wire chuck 35 and the right electric wire chuck 37 sandwiching and fixing the covered electric wire 19. Relative movement is possible, and the covered electric wire 19 is guided. That is, the left auxiliary chuck 41 and the right auxiliary chuck 43 guide the covered wire 19 so that it does not bend (buckle) due to the insertion resistance when the rubber plug 59 is inserted into the end of the covered wire 19.
Therefore, the electric wire fixing mechanism 15 can clamp the vicinity of the end of the covered electric wire 19 and fix it at the terminal processing position.

  Here, the terminal processing position refers to a position where the covered electric wire 19 is clamped and fixed by the electric wire fixing mechanism 15. The end of the covered electric wire 19 fixed at the terminal processing position comes into contact with a rubber plug holder 23 described later. When the wire end processing is performed manually, the operator closes the wire chuck and fixes the covered wire 19 in a state where the tip of the covered wire 19 is set in contact with the rubber plug holder 23.

  In the covered electric wire 19, a covering portion 57 made of a flame-retardant resin, a soft polyvinyl chloride resin, or the like is formed on the outer periphery of the conductor 55 (see FIG. 11D). The covering portion 57 (see FIG. 11) has a predetermined thickness and is covered with the conductor 55, and has a predetermined strength against external factors such as rubbing and scratching as well as ensuring insulation. The conductor 55 is protected. The conductor 55 may be either a single wire or a stranded wire.

An annular rubber plug 59 shown in FIG. 7 is inserted into the outer periphery of the covered electric wire 19. For example, in the case where the covered electric wire 19 has a structure in which the covered electric wire 19 is led out from the electric wire outlet hole of the connector housing, the rubber plug 59 is a water stop cock that seals between the covered electric wire 19 and the electric wire outlet hole in an airtight and watertight manner.
The rubber plug 59 includes a large-diameter portion 59a provided in a cylindrical shape, a cylindrical portion extending from one end of the large-diameter portion 59a, and a small-diameter portion 59b provided coaxially with the large-diameter portion 59a. ,have. Moreover, the outer diameter of the large diameter part 59a is provided larger than the outer diameter of the small diameter part 59b. The rubber plug 59 positions the covered electric wire 19 in the electric wire insertion hole 61 provided on the central axis of the large diameter portion 59a and the small diameter portion 59b. Further, a lip portion that is in close contact with the wire outlet hole of the connector housing is provided on the outer peripheral surface of the large diameter portion 59a over the entire circumference. The small diameter portion 59b is crimped and fixed to the covered electric wire 19 by a crimping piece of a connection terminal (not shown).

Further, the base plate 29 is provided with a table driving mechanism 27. The table drive mechanism 27 has a table cylinder 63 fixed to the base plate 29. The table cylinder 63 moves the table cylinder drive shaft 65 forward and backward by pressurized air. A unit mounting table 67 is fixed to the table cylinder drive shaft 65.
The unit mounting table 67 is formed with a movable wall portion 69 perpendicular to the base plate 29 and a guide plate portion 71 extending in a direction along the table cylinder drive shaft 65. The guide plate portion 71 is slidably supported on the base plate 29 side by a linear guide.
Therefore, the table drive mechanism 27 can reciprocate the unit mounting table 67 along the extension line of the axis 51 of the covered electric wire 19 fixed to the electric wire fixing mechanism 15.

  In the unit mounting table 67, the rubber plug holder unit 17 and the peeling unit 25 are mounted on the movable wall 69. The unit mounting table 67 is connected to a covering portion suction tube 73 for sucking the covering portion 57 removed (peeled) from the covered electric wire 19.

  As shown in FIG. 6, the rubber plug holder unit 17 according to the present embodiment includes a holder base 21, a bush 75 (see FIG. 3), a rubber plug holder 23, a rubber plug guide 77, a guide cover 79, Have

  As shown in FIG. 7, a linear slide groove 81 is formed in the holder base 21. The slide groove 81 slidably guides the rubber plug holder 23 in a horizontal direction perpendicular to the axis 51 of the covered electric wire 19. The holder base 21 is provided with a rubber plug supply hole 83 and a wire insertion hole 85 that are separated from each other in the sliding direction of the rubber plug holder 23. A female screw is formed in the rubber plug supply hole 83, and a bush 75 serving as a connection portion of the rubber plug supply tube 87 is screwed into the female screw. A rubber plug supply unit 13 to be described later is connected to the bush 75 via a rubber plug supply tube 87.

  The holder base 21 guides the rubber plug holder 23 to the rubber plug supply position and the rubber plug insertion position. The rubber plug supply position refers to a position (see FIG. 11A) for inserting and supplying a rubber plug 59 into a rubber plug housing portion 89 described later of the rubber plug holder 23. The rubber plug insertion position refers to a position where the wire insertion hole 61 of the rubber plug 59 housed in the rubber plug housing portion 89 is on the axis 51 of the covered wire 19 (see FIG. 11B).

  In the rubber plug holder 23, a rubber plug housing portion 89 that holds the outer peripheral portion of the stored rubber plug 59 is formed so as to be coaxial with the wire insertion hole 61 of the rubber plug 59. Thereby, the rubber plug holder unit 17 accommodates and holds the rubber plug 59 in the rubber plug housing portion 89.

  In the present embodiment, the rubber plug housing portion 89 includes a stepped hole 91 formed in the rubber plug holder 23 and an annular rubber plug guide 77 attached to the large diameter side of the stepped hole 91. . The stepped hole 91 has an inner diameter on the large diameter side that is substantially the same as the outer diameter of the rubber plug guide 77, and an inner diameter on the small diameter side that is approximately the same as the outer diameter of the large diameter portion 59 a of the rubber plug 59. . The rubber stopper guide 77 made of POM (polyoxymethylene resin) has an inner diameter substantially the same as the outer diameter of the small diameter part 59b of the rubber plug 59, and can hold the small diameter part 59b inwardly without rattling.

A slide drive plate 93 is suspended from the rubber plug holder 23. The slide drive plate 93 hangs downward from the notch portion 84 of the slide groove 81 of the holder base 21 that slidably holds the rubber plug holder 23. An engagement groove 95 is formed at the lower end of the slide drive plate 93, and the engagement groove 95 engages with a drive member of a slider actuator (not shown) mounted on the unit mounting table 67. By driving the slider actuator, the rubber plug holder 23 is reciprocated between the rubber plug supply position and the rubber plug insertion position.
The rubber plug holder 23 is positioned at the rubber plug supply position when the slide drive plate 93 abuts on one side surface 84 a of the notch 84, and the slide drive plate 93 abuts on the other side 84 b of the notch 84. Thus, the rubber plug is positioned at the insertion position.

In the rubber plug holder 23, the rubber plug housing portion 89 coincides with the rubber plug supply hole 83 and the bush 75 of the holder base 21 at the rubber plug supply position. At this rubber plug supply position, a rubber plug sensor (not shown) for detecting the presence or absence of the rubber plug 59 in the rubber plug housing portion 89 is provided on the opposite side of the bush 75 across the rubber plug housing portion 89. Yes.
In the rubber plug supply position, the slider surface 97 of the rubber plug holder 23 is disposed in the wire insertion hole 85 of the holder base 21. That is, the wire insertion hole 85 is closed by the slider surface 97. Therefore, the tip of the covered electric wire 19 in the electric wire set state is brought into contact with the slider surface 97. When the rubber plug holder 23 is slid to the rubber plug insertion position, the rubber plug housing portion 89 is disposed in the wire insertion hole 85.

  In the wire terminal processing apparatus 11 according to the present embodiment, the rubber plug holder unit 17 selectively uses a plurality of types of rubber plug holders 23 provided with the rubber plug housing portions 89 according to the rubber plugs 59 of different sizes. The unit mounting table 67 is detachable so that it can be used.

  As shown in FIG. 6, a guide cover 79 is fixed to the holder base 21 in which the rubber stopper holder 23 is slidably disposed in the slide groove 81. The guide cover 79 restricts the rubber stopper holder 23 from dropping from the slide groove 81. At the same time, the guide cover 79 is fixed to the movable wall portion 69, thereby fixing the entire rubber plug holder unit 17 to the unit mounting table 67.

  As shown in FIG. 1, the bush 75 of the rubber plug holder unit 17 is connected to the rubber plug supply unit 13 via a rubber plug supply tube 87. The rubber plug supply unit 13 supplies a plurality of aligned rubber plugs 59 to the rubber plug holder unit 17 by pressurized air. That is, the rubber plug supply tube 87 between the rubber plug supply unit 13 and the bush 75 is in a state where a plurality of rubber plugs 59 are coaxially aligned. In this state, the rubber plugs 59 are supplied (cut out) to the rubber plug housing portion 89 by the pressurized air one by one in order from the rubber plug holder 23 side.

  As shown in FIG. 7, an exhaust hole 99 communicating with the outside of the holder base 21 is formed in the rubber plug supply hole 83 of the holder base 21 that connects and connects the rubber plug housing portion 89 and the rubber plug supply tube 87. Yes. The exhaust hole 99 allows the inside of the rubber plug housing portion 89 to communicate with the outside of the rubber plug holder 23 and the holder base 21.

The peeling unit 25 according to this embodiment includes a left cutter mounting plate 103 and a right cutter mounting plate 105, a pair of skin peeling blades 107 and a right skin peeling blade 109, and an opening / closing drive mechanism 101.
As shown in FIG. 8, a left skin peeling blade 107 and a right skin peeling blade 109 are detachably fixed to the pair of left cutter mounting plate 103 and right cutter mounting plate 105 by screws 111, respectively. The left peeled blade 107 and the right peeled blade 109 cut away the covered portion 57 of the covered electric wire 19 that is fixed to the electric wire fixing mechanism 15 and protrudes.

  The left peeled blade 107 and the right peeled blade 109 can be cut at a plurality of locations in the outer peripheral direction of the covered electric wire 19 by moving the pair of V-shaped blades 113 from the direction sandwiching the covered electric wire 19. Then, in the state where the cut is made, the peeling unit 25 is moved in a direction away from the covered electric wire 19 with respect to the covered electric wire 19 fixed to the electric wire fixing mechanism 15. This movement is performed by the unit mounting table 67. Thereby, as for the covered electric wire 19, the coating | coated part 57 of the front end side is removed rather than the part which cut | notched. The conductor 55 is exposed in the covered electric wire 19 from which the covering portion 57 has been removed (see FIG. 11D). In this way, the covered electric wire 19 is peeled off.

  The opening / closing drive mechanism 101 drives the left skin peeling blade 107 and the right skin peeling blade 109 to open and close in a direction orthogonal to the covered electric wire 19. As shown in FIG. 3, the opening / closing drive mechanism 101 includes a cutter slide rail 115 and an opening / closing drive actuator 117. The opening / closing drive actuator 117 is fixed to the guide plate portion 71. The opening / closing drive actuator 117 supports the left cutter attachment plate 103 and the right cutter attachment plate 105 through the cutter slide rail 115 so as to be slidable. The slide drive of the left cutter mounting plate 103 and the right cutter mounting plate 105 by the opening / closing drive actuator 117 can use various driving mechanisms such as pressurized air, a linear motor, or a solenoid.

  The control mechanism 201 according to the present embodiment interlocks and controls each unit so that the rubber plug holder unit 17 performs the rubber plug insertion operation and the skin peeling unit 25 performs the skin peeling operation by the reciprocating operation of the table driving mechanism 27. More specifically, each unit includes a chuck actuator (not shown), an auxiliary chuck cylinder 47, a table cylinder 63, a slider actuator (not shown), and the like. The control mechanism 201 includes, for example, a CPU, a computer including a storage unit, an interface, and a sensor. The control mechanism 201 includes a control device (for example, an air cylinder or a solenoid) that is operated by control of a computer, various switches (for example, a foot switch) as input means, and the like. The control mechanism 201 may be a programmable sequencer instead of a computer.

  The control mechanism 201 starts operation upon receiving an input signal from an input unit or a sensor, and executes a process according to a predetermined input condition. As a result, the chuck actuator, the auxiliary chuck cylinder 47, the table cylinder 63, the slider actuator, etc. are controlled to perform a predetermined operation at a predetermined timing via a control device such as an air cylinder or a solenoid. Is done.

Next, the effect | action of the electric wire terminal processing apparatus 11 which has said structure is demonstrated.
9 and 10 are examples of a flowchart showing the operation of the electric wire terminal processing apparatus 11, FIG. 11 (a) is a procedure explanatory diagram of the covered electric wire fixing step, (b) is a procedure explanatory diagram of the rubber plug positioning step, (c) is a procedure explanatory diagram of a rubber plug insertion process, (d) is a procedure explanatory diagram of a peeling process.
In the electric wire terminal processing apparatus 11 according to the present embodiment, the operation start switch is turned on and the operation is started (S1).
The presence or absence of the rubber plug 59 in the rubber plug housing portion 89 of the rubber plug holder 23 at the rubber plug supply position is detected by a rubber plug sensor (not shown) provided on the unit mounting table 67 (S2).
When the operator sets the electric wire in a state where the tip of the covered electric wire 19 is in contact with the slider surface 97 and the foot switch is turned on (S3), the left electric wire chuck 35 and the right electric wire chuck 37 are closed. The wire fixing mechanism 15 sandwiches and fixes (S4), and movement in the direction of the axis 51 is restricted. At this time, as shown in FIG. 11A, the left auxiliary chuck 41 and the right auxiliary chuck 43 lightly sandwich (guide) the covered electric wire 19.

As shown in FIG. 11B, the rubber plug holder unit 17 of the rubber plug holder unit 17 has a rubber plug insertion position along a horizontal direction orthogonal to the axis 51 of the coated electric wire 19 in front of the tip of the covered electric wire 19. (S5).
The rubber plug 59 housed in the rubber plug housing portion 89 of the rubber plug holder 23 moved to the rubber plug insertion position has the wire insertion hole 61 opposed to the tip of the covered wire 19.

As shown in FIG. 11C, the unit mounting table 67 on which the rubber plug holder unit 17 and the peeling unit 25 are mounted is moved by the table driving mechanism 27 in the direction approaching the covered electric wire 19 to move the rubber plug. (S6). At this time, the left auxiliary chuck 41 and the right auxiliary chuck 43 pressed and urged by the unit mounting table 67 are retracted while guiding the covered electric wire 19 (S7). Thereby, buckling of the covered electric wire 19 when the waterproof plug is inserted is prevented.
Then, the covered wire 19 is inserted from the tip into the wire insertion hole 61 of the rubber plug 59 held by the rubber plug holder 23 of the rubber plug holder unit 17. The rubber plug 59 is inserted to a predetermined position by moving the unit mounting table 67 by a predetermined distance.

Next, the unit mounting table 67 is moved in the strip length position along the extension line in the axis 51 of the covered electric wire 19 so that the left skin peeling blade 107 and the right skin peeling blade 109 of the skin peeling unit 25 are in the strip length position. (S8).
When the movement of the peeling unit 25 to the strip length positioning position is completed, the left peeling blade 107 and the right peeling blade 109 are moved to the strip position by the opening / closing drive mechanism 101 as shown in FIG. Make a notch.
With the left peeled blade 107 and the right peeled blade 109 cut into the covered electric wire 19, the peeling unit 25 is moved in the direction away from the covered electric wire 19 (strip position side) by the table drive mechanism 27 (S9).
By this movement, the left skin peeling blade 107 and the right skin peeling blade 109 cut into the covered electric wire 19 peel off the chips of the covering portion 57 of the covered electric wire 19 from the conductor 55. Thereby, the attachment and peeling of the rubber plug 59 to the covered electric wire 19 are completed. At this time, the rubber plug 59 remains in the position where it is inserted into the covered electric wire 19.

Thereafter, the left and right peel blades 107 and 109 are moved to the strip blade standby position by the opening / closing drive mechanism 101, and the left electric wire chuck 35 and the right electric wire chuck 37 are opened (S11).
When the auxiliary chuck cylinder 47 is driven, the left auxiliary chuck 41 and the right auxiliary chuck 43 are advanced to the initial position (S12).
The rubber plug holder 23 is slid to the initial rubber plug supply position (S13).
The unit mounting table 67 is returned to the strip standby position, which is the initial position, by moving backward in the direction away from the wire fixing mechanism 15 (S14). The strip standby position refers to a standby position on the extension line of the axis 51 of the covered electric wire 19 where the left skin peeling blade 107 and the right skin peeling blade 109 are located.

  As described above, according to the electric wire terminal processing apparatus 11 according to the present embodiment, the rubber plug holder unit 17 includes the rubber plug holder 23 having the rubber plug housing portion 89, and the rubber plug insertion position and the rubber plug supply by the holder base 21. The rubber plugs 59 supplied to the rubber plug housing portion 89 are aligned one by one with respect to the end portion of the covered electric wire 19 fixed to the electric wire fixing mechanism 15 by a simple structure supported so as to be reciprocally movable to the position. can do. Then, the rubber plug holder unit 17 moves in a direction approaching the covered electric wire 19, so that the rubber plug 59 accommodated in the rubber plug accommodating portion 89 is attached to the end of the covered electric wire 19. Further, the skin peeling unit 25 moves in a direction away from the covered electric wire 19 with the left skin peeling blade 107 and the right skin peeling blade 109 being cut into the covering portion 57, so that the left skin peeling blade 107 and the right skin peeling blade 109 are moved. The cut chips are pulled out from the end of the covered electric wire 19. That is, the unit mounting table 67 on which the rubber plug holder unit 17 and the peeling unit 25 are mounted is reciprocated along the extension line in the axis 51 of the covered electric wire 19 by the table driving mechanism 27, thereby having a simple structure. In addition, it is possible to complete both the mounting and peeling of the rubber plug 59 on the covered electric wire 19 in a space-saving manner.

  Moreover, in the electric wire terminal processing apparatus 11 of this embodiment, the rubber plug 59 is conveyed to the rubber plug holder unit 17 through the rubber plug supply tube 87 of the rubber plug supply unit 13 by pressurized air. The rubber plug 59 conveyed from the rubber plug supply tube 87 enters the rubber plug housing portion 89 of the rubber plug holder 23 through the rubber plug supply hole 83 of the holder base 21 in the rubber plug holder unit 17. The rubber plug supply hole 83 of the holder base 21 is provided with an exhaust hole 99 communicating with the outside of the holder base 21, so that pressurized air for transporting the rubber plug 59 is smoothly discharged from the exhaust hole 99. The rubber plug 59 is reliably inserted into the rubber plug housing portion 89 by a good conveying flow.

  Further, in the wire terminal processing apparatus 11 of the present embodiment, the rubber plug holder 23 having the rubber plug housing portion 89 corresponding to the desired size of the rubber plug 59 is replaced with the holder base 21 of the rubber plug holder unit 17. This makes it possible to deal with rubber plugs 59 of various sizes. Thereby, it is possible to easily cope with various types of rubber plugs 59 without increasing the apparatus cost.

  Therefore, according to the electric wire terminal processing apparatus 11 according to the present embodiment, it is possible to reduce the size with a simple structure and to reduce the manufacturing cost.

Here, the features of the above-described embodiment of the electric wire terminal processing apparatus according to the present invention will be briefly summarized and listed below.
[1] An electric wire fixing mechanism 15 that holds the vicinity of the end of the covered electric wire 19 and fixes it at a terminal processing position;
A rubber plug housing portion 89 that holds the outer periphery of the rubber plug 59 accommodated therein is formed so as to penetrate the rubber plug 59 coaxially with the wire insertion hole 61, and the rubber plug housing portion 89 accommodates the rubber plug housing portion 89. In order to insert the rubber plug 59 into the rubber plug housing portion 89 and the rubber plug insertion position where the electric wire insertion hole 61 of the rubber plug 59 is located on the axis 51 of the covered electric wire 19 fixed to the electric wire fixing mechanism 15. A rubber plug holder unit 17 that holds the rubber plug 59 attached to the covered electric wire 19, and a holder base 21 that supports the rubber plug holder 23 so as to be capable of reciprocating.
A pair of skinning blades (left skinning blade 107 and right skinning blade 109) for excising the covering portion 57 of the covered electrical wire 19 that is fixedly projected to the wire fixing mechanism 15 and these skinning blades (left skinning blade 107 and A peeling unit 25 having an opening / closing drive mechanism 101 for opening / closing a right peeling blade 109) in a direction orthogonal to the covered electric wire 19;
A table driving mechanism 27 that reciprocally moves a unit mounting table 67 on which the rubber plug holder unit 17 and the skinning unit 25 are mounted along an extension line in the axis 51 of the covered electric wire 19 fixed to the electric wire fixing mechanism 15. When,
A control mechanism 201 for controlling each unit in an interlocked manner so as to perform a rubber plug insertion operation of the rubber plug holder unit 17 and a peeling operation of the peeling unit 25 by a reciprocating operation of the table driving mechanism 27;
The electric wire terminal processing apparatus 11 characterized by including.
[2] The wire terminal processing apparatus 11 according to [1] above,
The rubber plug holder unit 17 is connected to a rubber plug supply unit 13 for inserting the rubber plug 59 into the rubber plug housing portion 89 with pressurized air.
An exhaust hole 99 communicating with the outside of the holder base 21 is provided in the rubber plug supply hole 83 of the holder base 21 that connects the rubber plug housing portion 89 and the rubber plug supply tube 87 of the rubber plug supply unit 13 in communication. The electric wire terminal processing apparatus 11 characterized by being formed.
[3] The wire terminal processing device 11 according to [1] or [2] above,
The rubber plug holder unit 17 is configured to selectively use a plurality of types of the rubber plug holders 23 provided with the rubber plug housing portions 89 according to the rubber plugs 59 of different sizes. An electric wire terminal processing apparatus 11 that is detachable from the mounting table 67.

  In addition, the electric wire terminal processing apparatus 11 which concerns on this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

DESCRIPTION OF SYMBOLS 11 ... Electric wire terminal processing apparatus 13 ... Rubber plug supply unit 15 ... Electric wire fixing mechanism 17 ... Rubber plug holder unit 19 ... Covered electric wire 21 ... Holder base 23 ... Rubber plug holder 25 ... Peeling unit 27 ... Table drive mechanism 51 ... Axis 57 ... Covering part 59 ... Rubber plug 61 ... Electric wire insertion hole 67 ... Unit mounting table 89 ... Rubber stopper housing part 99 ... Exhaust hole 101 ... Opening / closing drive mechanism 107 ... Left peel blade
109… Right peeling blade (peeling blade)
201 ... Control mechanism

Claims (3)

An electric wire fixing mechanism that clamps the vicinity of the end of the covered electric wire and fixes it at the terminal processing position;
A rubber plug holder in which a rubber plug housing portion holding an outer peripheral portion of the accommodated rubber plug is formed coaxially with the electric wire insertion hole of the rubber plug, and an electric wire insertion hole of the rubber plug accommodated in the rubber plug housing portion The rubber plug holder at a rubber plug insertion position positioned on the axis of the covered electric wire fixed to the electric wire fixing mechanism and a rubber plug supply position for inserting the rubber plug into the rubber plug housing portion. A rubber plug holder unit that holds the rubber plug mounted on the covered electric wire, and a holder base that supports the reciprocating movement;
A peeling unit having a pair of peeling blades for cutting off the covered portion of the covered electric wire that is fixed to the electric wire fixing mechanism and protrudes, and an opening / closing driving mechanism that drives the opening and closing of the peeling blade in a direction orthogonal to the covered electric wire When,
A table drive mechanism that reciprocates along an extension line in the axis of the covered electric wire fixed to the electric wire fixing mechanism with a unit mounting table on which the rubber plug holder unit and the peeling unit are mounted;
A control mechanism for interlockingly controlling each unit so as to perform a rubber plug insertion operation of the rubber plug holder unit and a peeling operation of the peeling unit by a reciprocating operation of the table driving mechanism;
An electric wire terminal processing apparatus comprising: The wire terminal processing device according to claim 1,
The rubber plug holder unit is connected to a rubber plug supply unit for inserting the rubber plug into the rubber plug housing portion with pressurized air,
An exhaust hole leading to the outside of the holder base is formed in a rubber plug supply hole of the holder base that connects the rubber plug housing portion and a rubber plug supply tube of the rubber plug supply unit in communication. Electric wire terminal processing equipment. The wire terminal processing device according to claim 1 or 2,
The rubber plug holder unit can be used with respect to the unit mounting table so that a plurality of types of the rubber plug holders provided with the rubber plug housing portions can be selectively used according to the rubber plugs of different sizes. An electric wire terminal processing apparatus characterized in that it is detachable.

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